%%
%% The LaTeX Companion, 3ed
%%
%% Example 3-5-18 on page I-215 in "footmisc --- Various footnotes styles".
%%
%% Copyright (C) 2022 Frank Mittelbach
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3c
%% of this license or (at your option) any later version.
%%
%% See https://www.latex-project.org/lppl.txt for details.
%%

\documentclass{tlc3exa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{141.0pt}
\setlength\textheight{3.2\baselineskip}
%StartShownPreambleCommands
  \usepackage[multiple,para]{footmisc}
  \renewcommand\multfootsep{|}
%StopShownPreambleCommands

\begin{document}
  Some text\footnote{A first.}\footnote{A second.} with
  two footnotes. Even more text.\footnote{A third.}
\end{document}
